US6157417A - Power control apparatus within a display device - Google Patents

Power control apparatus within a display device Download PDF

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Publication number
US6157417A
US6157417A US08/932,943 US93294397A US6157417A US 6157417 A US6157417 A US 6157417A US 93294397 A US93294397 A US 93294397A US 6157417 A US6157417 A US 6157417A
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United States
Prior art keywords
link bar
bracket
button
width dimension
guide slot
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US08/932,943
Inventor
Chun-Jung Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BenQ Corp
Original Assignee
Acer Peripherals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Acer Peripherals Inc filed Critical Acer Peripherals Inc
Assigned to ACER PERIPHERALS, INC. reassignment ACER PERIPHERALS, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHO, CHUN-JUNG
Application granted granted Critical
Publication of US6157417A publication Critical patent/US6157417A/en
Assigned to BENQ CORPORATION reassignment BENQ CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: ACER COMMUNICATIONS & MULTIMEDIA INC., ACER PERIPHERALS, INC.
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/12Movable parts; Contacts mounted thereon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/02Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/12Push-buttons

Definitions

  • This invention relates to power control mechanism within a display device, i.e. a monitor.
  • a power button located on the panel (bezel) of a display device is provided for turning on the power supply to the display device.
  • the power button is located on the front or side location of the panel.
  • the power button has a first end, which is provided to be accessed by a user, and second end. A user may push the power button to switch the power supply to the circuit board and other elements in the monitor, and vice versa.
  • the power supply socket is located on the rear location of the display device.
  • the power supply socket functions to connects with a power cable.
  • a power switch is located, in general, within and on the rear side of the display device, and functions to apply the power supply, when activated by the button on the front panel via a link bar, to circuit and other elements in the display device.
  • the link bar includes a first and second ends. The first end of the link bar contacts with the second end of the button and, therefore, the link bar moves, responsive to movement of the button.
  • the power switch responsive to movement of the second end of the link bar, selectively applies the power supply to circuit and other elements in the display device.
  • the link bar is located on and slides upon the print circuit board within the display device. This conventional design renders a smaller space on the print circuit board which is available for circuit layout purpose.
  • the object of the invention is to provide a link bar which does not occupy the space on the print circuit board.
  • the power control apparatus in a display device including a button, a link bar and a power switch is provided.
  • the monitor includes a bracket, a circuit board and a panel.
  • the bracket includes a guiding slot.
  • the button which includes a first end and a second end, is located on the panel. The first end is provided to be accessed by a user.
  • the link bar has a first end and a second end. The first end of the link bar contacts with the second end of the button such that the link bar moves responsive to movement of the button.
  • the power switch responsive to movement of the second end of the link bar, selectively applies a power supply to the circuit board.
  • the link bar includes an engagement portion for engaging with and sliding longitudinally along the bracket.
  • FIG. 1 shows associated elements of the power control apparatus within a display device in top planar view.
  • FIG. 2 shows in perspective view the link bar and the bracket before assembly.
  • FIG. 3 shows in section view the link bar and the bracket on the outset of assembly.
  • FIG. 4 shows in section view the link bar and the bracket after assembly.
  • FIG. 5 shows the second embodiment of the invention in explosive view.
  • the display device implementing the present invention includes a bracket 11, a print circuit board 13 and a front panel 15.
  • the bracket 11 is vertically disposed with respect to the print circuit board 13.
  • the bracket 11 has a guiding slot which has a first guide slot 21 and a second guide slot 23.
  • the width of the second guide slot 23 is larger than that of the first guide slot 21.
  • the bracket 11 is made of metal material and functions to shield the electric-magnetic wave generated inside the display device.
  • the power control apparatus of the invention includes a button 17, a link bar 19 and a power switch 12.
  • the button 17 is located on the panel 15 of the monitor.
  • the button 17 includes a first end and a second end. The first end is provided to be accessed by a user.
  • the link bar 19 has a first end and a second end. The first end of the link bar 19 contacts with the second end of the button 17 such that the link bar 19 moves responsive to movement of the button 17.
  • the power socket 14 functions to connect to a connector of a power cable (not shown).
  • the power switch 12 contacts with the second end of the link bar 19 and, responsive to movement of the second end of the link bar 19, selectively applies a power supply, via the power cable and power socket, to the print circuit board 13.
  • the link bar 19 includes an engagement portion which includes a guide rail 25, an extended flange 27 and a cantilever rib 29.
  • the flange 27, which presents a third width dimension, extends vertically in respect to the guide rail 25 as shown.
  • the third width dimension of the flange 27 is smaller than the second width dimension of the second guide slot 23, and larger than the first width dimension of the first guide slot 21, for preventing lateral disengagement of the link bar 19 from the bracket 11.
  • the guide rail 25 is placed into and slides along the first guide slot 21.
  • the cantilever rib 29 limits the relative longitudinal movement between the link bar 19 and the bracket 11.
  • each is aligned to the other. Afterwards, in lateral direction, dispose the flange 27 into the second guide slot 23 in which the cantilever rib 29 pushes against the surface of the bracket 11. Thereafter, force the link bar 19 to move longitudinally a distance by which the guide rail 25 is disposed into and slides along the first guide slot 21. As movement of the guide rail 25 past one location, the cantilever rib 29 does not touch against the surface of the bracket 11 and is totally disposed into the space of the second guide slot 23, as shown in FIG. 4. The arrangement of the cantilever rib 29 indirectly prevents the disengagement of the link bar 19 from the bracket 11 during transportation of the monitor in production line.
  • the link bar 19 moves and changes the status of the power switch 12. Therefore, the power supply may be either applied to or disconnected from the print circuit board 13.
  • the link bar 19 does not include the cantilever rib as recited for the first embodiment.
  • a deformable retainer 36 is provided to perform the function of the cantilever rib 29 of the first embodiment described above. After assembly of the link bar 19 with the bracket 11 according to procedure recited above, a deformable retainer 36 is further disposed into the second guide slot 23 for limiting the relative longitudinal movement between the link bar 19 and the bracket 11. The arrangement of the deformable retainer 36 indirectly prevents the disengagement of the link bar 19 from the bracket 11 during transportation of the monitor in production line.

Abstract

The power control apparatus in a display device including a button, a link bar and a power switch is provided. The monitor includes a bracket, a circuit board and a panel. The bracket includes a guiding slot. The button, which includes a first end and a second end, is located on the panel. The first end is provided to be accessed by a user. The link bar has a first end and a second end. The first end of the link bar contacts with the second end of the button such that the link bar moves responsive to movement of the button. The power switch, responsive to movement of the second end of the link bar, selectively applies a power supply to the circuit board. The link bar includes an engagement portion for engaging with and sliding longitudinally along the bracket. The link bar of the invention is easily installed and disjoined and does not occupy the space on the print circuit board.

Description

FIELD OF INVENTION
This invention relates to power control mechanism within a display device, i.e. a monitor.
BACKGROUND OF INVENTION
As well known in the arts, a power button located on the panel (bezel) of a display device is provided for turning on the power supply to the display device. In general, the power button is located on the front or side location of the panel. The power button has a first end, which is provided to be accessed by a user, and second end. A user may push the power button to switch the power supply to the circuit board and other elements in the monitor, and vice versa.
Typically, most display devices are designed in such way that the power supply socket is located on the rear location of the display device. The power supply socket functions to connects with a power cable. A power switch is located, in general, within and on the rear side of the display device, and functions to apply the power supply, when activated by the button on the front panel via a link bar, to circuit and other elements in the display device. The link bar includes a first and second ends. The first end of the link bar contacts with the second end of the button and, therefore, the link bar moves, responsive to movement of the button. The power switch, responsive to movement of the second end of the link bar, selectively applies the power supply to circuit and other elements in the display device. Conventionally, the link bar is located on and slides upon the print circuit board within the display device. This conventional design renders a smaller space on the print circuit board which is available for circuit layout purpose.
To overcome the drawback of the conventional design, the object of the invention is to provide a link bar which does not occupy the space on the print circuit board.
SUMMARY OF THE INVENTION
The power control apparatus in a display device including a button, a link bar and a power switch is provided. The monitor includes a bracket, a circuit board and a panel. The bracket includes a guiding slot. The button, which includes a first end and a second end, is located on the panel. The first end is provided to be accessed by a user. The link bar has a first end and a second end. The first end of the link bar contacts with the second end of the button such that the link bar moves responsive to movement of the button. The power switch, responsive to movement of the second end of the link bar, selectively applies a power supply to the circuit board.
The link bar includes an engagement portion for engaging with and sliding longitudinally along the bracket.
BRIEF DESCRIPTIONS OF THE APPENDED DRAWINGS
FIG. 1 shows associated elements of the power control apparatus within a display device in top planar view.
FIG. 2 shows in perspective view the link bar and the bracket before assembly.
FIG. 3 shows in section view the link bar and the bracket on the outset of assembly.
FIG. 4 shows in section view the link bar and the bracket after assembly.
FIG. 5 shows the second embodiment of the invention in explosive view.
DETAILED DESCRIPTIONS OF THE PREFERRED EMBODIMENT
As shown in FIG. 1, the display device implementing the present invention includes a bracket 11, a print circuit board 13 and a front panel 15. The bracket 11 is vertically disposed with respect to the print circuit board 13. As shown in FIG. 2, the bracket 11 has a guiding slot which has a first guide slot 21 and a second guide slot 23. The width of the second guide slot 23 is larger than that of the first guide slot 21. In general, the bracket 11 is made of metal material and functions to shield the electric-magnetic wave generated inside the display device.
The power control apparatus of the invention includes a button 17, a link bar 19 and a power switch 12. The button 17 is located on the panel 15 of the monitor. The button 17 includes a first end and a second end. The first end is provided to be accessed by a user.
The link bar 19 has a first end and a second end. The first end of the link bar 19 contacts with the second end of the button 17 such that the link bar 19 moves responsive to movement of the button 17.
As known in the prior arts, the power socket 14 functions to connect to a connector of a power cable (not shown). The power switch 12 contacts with the second end of the link bar 19 and, responsive to movement of the second end of the link bar 19, selectively applies a power supply, via the power cable and power socket, to the print circuit board 13.
As shown in FIG. 2, the link bar 19 includes an engagement portion which includes a guide rail 25, an extended flange 27 and a cantilever rib 29. The flange 27, which presents a third width dimension, extends vertically in respect to the guide rail 25 as shown. The third width dimension of the flange 27 is smaller than the second width dimension of the second guide slot 23, and larger than the first width dimension of the first guide slot 21, for preventing lateral disengagement of the link bar 19 from the bracket 11. The guide rail 25 is placed into and slides along the first guide slot 21. The cantilever rib 29 limits the relative longitudinal movement between the link bar 19 and the bracket 11.
As shown in FIG. 3, before assembling the engagement portion of link bar 19 and the bracket 11, each is aligned to the other. Afterwards, in lateral direction, dispose the flange 27 into the second guide slot 23 in which the cantilever rib 29 pushes against the surface of the bracket 11. Thereafter, force the link bar 19 to move longitudinally a distance by which the guide rail 25 is disposed into and slides along the first guide slot 21. As movement of the guide rail 25 past one location, the cantilever rib 29 does not touch against the surface of the bracket 11 and is totally disposed into the space of the second guide slot 23, as shown in FIG. 4. The arrangement of the cantilever rib 29 indirectly prevents the disengagement of the link bar 19 from the bracket 11 during transportation of the monitor in production line.
After assembly as shown in FIG. 1, responsive to the action of the user to the button 17, the link bar 19 moves and changes the status of the power switch 12. Therefore, the power supply may be either applied to or disconnected from the print circuit board 13.
In the second embodiment, the link bar 19 does not include the cantilever rib as recited for the first embodiment. In a second embodiment shown in FIG. 5, a deformable retainer 36 is provided to perform the function of the cantilever rib 29 of the first embodiment described above. After assembly of the link bar 19 with the bracket 11 according to procedure recited above, a deformable retainer 36 is further disposed into the second guide slot 23 for limiting the relative longitudinal movement between the link bar 19 and the bracket 11. The arrangement of the deformable retainer 36 indirectly prevents the disengagement of the link bar 19 from the bracket 11 during transportation of the monitor in production line.

Claims (6)

I claim:
1. A power control apparatus in a display device, the display device including a bracket, a circuit board and a panel, the bracket including a guiding slot which has a first guide slot of a first width dimension, and a second guide slot of a second width dimension larger than the first width dimension, the power control apparatus comprising:
a button located on the panel, the button including a first end and a second end, the first end being provided to be accessed by a user;
a link bar having a first end and a second end, the first end of the link bar contacting with the second end of the button such that the link bar moves responsive to movement of the button; and
a power switch, responsive to movement of the second end of the link bar, for selectively applying a power supply to the circuit board,
wherein the link bar includes an engagement portion, the engagement portion includes a guide rail together with a flange of a third width dimension, which is smaller than the second width of the second guide slot and larger than the first width of the first guide slot, the guide rail is placed into and slides along the first guide slot, for preventing lateral disengagement of the link bar from the bracket, and the engagement portion includes a cantilever rib extending from a root portion of the guide rail and along movement direction of the link bar for limiting the relative longitudinal movement between the link and the bracket.
2. The apparatus of claim 1, wherein, after assembly of the link bar with the bracket, a retainer is further placed into the second guide slot for limiting the relative longitudinal movement between the link bar and the bracket.
3. A power control apparatus in a display device, the display device including a bracket, a circuit board and a panel, the bracket including a guiding slot, the power control apparatus comprising:
a button located on the panel, the button including a first end and a second end, the first end being provided to be accessed by a user;
a link bar having a first end and a second end, the first end of the link bar contacting with the second end of the button such that the link bar moves responsive to movement of the button; and
a power switch, responsive to movement of the second end of the link bar, for selectively applying a power supply to the circuit board,
wherein the link bar includes an engagement portion for engaging with and sliding longitudinally along the bracket, the guiding slot has a first guide slot with a first width dimension and a second guide slot with a second width dimension larger than the first width dimension, the engagement portion includes a guide rail together with a flange of a third width dimension, and a cantilever rib extending from a root portion of the guide rail and along movement of the link bar, the guide rail is placed into and slides along the first guide slot for preventing lateral disengagement of the link bar from the bracket, third width dimension of the flange is smaller than the second width dimension of the second guide slot and larger than the first width dimension of the first guide slot, and the cantilever rib limits the relative longitudinal movement between the link bar and the bracket.
4. A power control apparatus in a display device, the display device including a circuit board and a panel, the power control apparatus comprising:
a button located on the panel, the button including a first end and a second end, the first end being provided to be accessed by a user to generate a movement of the button;
a link bar having a first end and a second end, the first end of the link bar contacting with the second end of the button whereby the link bar moves responsive to the movement of the button;
a power switch contacted with the second end of the link bar whereby the power switch selectively switched on-off responsive to the movement of the second end of the link bar;
a bracket having a guiding slot, the bracket is vertically disposed with respect to a main surface of the print circuit board and along a periphery of the print circuit board to avoid occupying the main surface of the print circuit board;
a guiding rail formed on the link bar, said guiding rail is placed into and sliding along the guiding slot, and
wherein, the link bar includes a cantilever rib extending from a root portion of the guide rail and along movement direction of the link bar for limiting the relative longitudinal movement between the link bar and the bracket.
5. The apparatus of claim 5, wherein the guiding slot has a first guide slot of a first width dimension, and a second guide slot of a second width dimension larger than the first width dimension, wherein a flange of a third width dimension is formed on the top of the guiding rail, the third width dimension is smaller than the second width of the second guide slot and larger than the first width of the first guide slot, for preventing lateral disengagement of the link bar from the bracket.
6. The apparatus of claim 6, wherein, after assembly of the link bar with the bracket, a retainer is further placed into the second guide slot for limiting the relative longitudinal movement between the link bar and the bracket.
US08/932,943 1997-06-12 1997-09-17 Power control apparatus within a display device Expired - Fee Related US6157417A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW086209601U TW352210U (en) 1997-06-12 1997-06-12 Electric source controlling apparatus in display device
TW86209601 1997-06-12

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US6157417A true US6157417A (en) 2000-12-05

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JP (1) JP2928499B2 (en)
DE (1) DE19748466C2 (en)
TW (1) TW352210U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020036722A1 (en) * 2000-09-25 2002-03-28 Masatoshi Hori Shielding apparatus of projection television
FR2845240A1 (en) * 2002-10-01 2004-04-02 Funai Electric Co Television receiver power switch drive structure having lower area drive button and upper area cabling card/power switch chassis connected movement lever inserted guided using side static rib pair.
GB2394526A (en) * 2002-01-15 2004-04-28 Funai Electric Co A television power switch arrangement
US20070118799A1 (en) * 2005-11-18 2007-05-24 Ming-Chin Kao On-screen display apparatus
CN1326336C (en) * 2002-10-22 2007-07-11 三星电子株式会社 Optical communication disc containing power supply control function and system with the disc

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716493A (en) * 1985-05-21 1987-12-29 Philip Zelkowitz Electronic instrument housing
US5122928A (en) * 1991-06-17 1992-06-16 Lo Kun Nan Monitor housing
JPH0566906A (en) * 1991-08-06 1993-03-19 Hokkaido Nippon Denki Software Kk Screen display system
US5321516A (en) * 1993-06-25 1994-06-14 Chen Su Y C Tie arrangement for securing a cathode ray tube board onto a cathode ray tube neck
US5347427A (en) * 1992-04-20 1994-09-13 Mitsubishi Denki Kabushiki Kaisha Cabinet assembly
US5577601A (en) * 1994-05-30 1996-11-26 Samsung Electronics Co., Ltd. Actuating device for a monitor power switch
US5691781A (en) * 1995-06-23 1997-11-25 U.S. Philips Corporation Fixation of cathode ray tube in TV receiver cabinet
US5742359A (en) * 1995-08-23 1998-04-21 Samsung Electronics Ltd. Electronic appliance with construction capable of easily maintaining desired contact space between its control knob and switch
US5863106A (en) * 1994-11-28 1999-01-26 Samsung Electronics Co., Ltd. Apparatus for affixing a printed circuit board in a monitor case
US5900920A (en) * 1994-05-30 1999-05-04 Samsung Electronics Co., Ltd. Apparatus for affixing a printed circuit board in a monitor

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716493A (en) * 1985-05-21 1987-12-29 Philip Zelkowitz Electronic instrument housing
US5122928A (en) * 1991-06-17 1992-06-16 Lo Kun Nan Monitor housing
JPH0566906A (en) * 1991-08-06 1993-03-19 Hokkaido Nippon Denki Software Kk Screen display system
US5347427A (en) * 1992-04-20 1994-09-13 Mitsubishi Denki Kabushiki Kaisha Cabinet assembly
US5321516A (en) * 1993-06-25 1994-06-14 Chen Su Y C Tie arrangement for securing a cathode ray tube board onto a cathode ray tube neck
US5577601A (en) * 1994-05-30 1996-11-26 Samsung Electronics Co., Ltd. Actuating device for a monitor power switch
US5900920A (en) * 1994-05-30 1999-05-04 Samsung Electronics Co., Ltd. Apparatus for affixing a printed circuit board in a monitor
US5863106A (en) * 1994-11-28 1999-01-26 Samsung Electronics Co., Ltd. Apparatus for affixing a printed circuit board in a monitor case
US5691781A (en) * 1995-06-23 1997-11-25 U.S. Philips Corporation Fixation of cathode ray tube in TV receiver cabinet
US5742359A (en) * 1995-08-23 1998-04-21 Samsung Electronics Ltd. Electronic appliance with construction capable of easily maintaining desired contact space between its control knob and switch

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020036722A1 (en) * 2000-09-25 2002-03-28 Masatoshi Hori Shielding apparatus of projection television
US6873374B2 (en) * 2000-09-25 2005-03-29 Matsushita Electric Industrial Co., Ltd. Shielding apparatus of projection television
GB2394526A (en) * 2002-01-15 2004-04-28 Funai Electric Co A television power switch arrangement
GB2394526B (en) * 2002-01-15 2006-05-17 Funai Electric Co Power switch operation structure for television receiver
FR2845240A1 (en) * 2002-10-01 2004-04-02 Funai Electric Co Television receiver power switch drive structure having lower area drive button and upper area cabling card/power switch chassis connected movement lever inserted guided using side static rib pair.
CN1326336C (en) * 2002-10-22 2007-07-11 三星电子株式会社 Optical communication disc containing power supply control function and system with the disc
US20070118799A1 (en) * 2005-11-18 2007-05-24 Ming-Chin Kao On-screen display apparatus

Also Published As

Publication number Publication date
JP2928499B2 (en) 1999-08-03
DE19748466A1 (en) 1998-12-17
DE19748466C2 (en) 2003-04-24
TW352210U (en) 1999-02-01
JPH1116434A (en) 1999-01-22

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